Furnace Technology In order to maintain a reducing atmosphere in a furnace, it should have No O₂ in flue gas None of these CO in flue gas High excess air No O₂ in flue gas None of these CO in flue gas High excess air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Fuel used in B.F. stove is Blast furnace gas/mixed gas Coke oven gas Furnace oil Pulverised coal Blast furnace gas/mixed gas Coke oven gas Furnace oil Pulverised coal ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat balance of furnace provides means of determining the Scope of reduction of heat losses Thermal efficiency of the process All of these Sources of heat losses Scope of reduction of heat losses Thermal efficiency of the process All of these Sources of heat losses ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ingress of cold air in the furnaces through cracks, charging doors, openings etc. Increases the load on the induced draft fan All of these Reduces the flue gas temperature and makes the furnace atmosphere oxidising Reduces the furnace draught Increases the load on the induced draft fan All of these Reduces the flue gas temperature and makes the furnace atmosphere oxidising Reduces the furnace draught ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following variables does not affect the furnace capacity? Gas velocity in furnace Size of the furnace Ratio of wall surface to surface of stock None of these Gas velocity in furnace Size of the furnace Ratio of wall surface to surface of stock None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators as compared to recuperators for the same duty Store smaller quantity of waste heat All of these Involve higher initial cost Are lighter & compact Store smaller quantity of waste heat All of these Involve higher initial cost Are lighter & compact ANSWER DOWNLOAD EXAMIANS APP
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